text: Common salts used in a chemical garden include:
  * Aluminium potassium sulfate: White
  * Copper(II) sulfate:  Blue
  * Chromium(III) chloride: Green
  * Nickel(II) sulfate: Green
  * Iron(II) sulfate: Green
  * Iron(III) chloride: Orange
  * Cobalt(II) chloride: Purple
  * Calcium chloride: White
  * Zinc sulfate: White